here are the summed up news
- WiiU will have several new updates, one of them fixing the load time lag generally.
- WiiU MiiVerser will be expanded to Smartphone
- 2 Zelda games are announced(
a possible sequel for Wind Waker and a new Titleentitled The Legend of Zelda Wind Waker Reborn and it will be a remake) one of them to be ready for this year - Mario 3D game(similar to Super Mario 64 or Galaxy) is under development right now by The Nintendo EAD Tokyo Software Development team.
- Mario Kart is on it's way to WiiU experience
- Shin Megami Tensei x Fire Emblem crossover is being got it own trailer
- Yoshi's Yarn, a similar game like Kirby's Epic yarn, is confirmed as a game for WiiU
- Wii Fit U adds new content and most of the old features from Wii Fit are returning
- As a bonus from Nintendo, celebrating Famicon's(Japan version of the NES) 30th anniversary, classic games(NES and SNES) will be available for download on WiiU virtual console for just 30 cents each. This is also to announce the introduction of Virtual Console to the WiU.
- Bayonetta 2 is under development, but not release date is given
Update 1/25/2013
Super Smash Brothers for WiiU/3DS is confirmed to be on this year's E3, along to some peeks to new games announced on the Nintendo Direct
More news are to be released soon, as the Nintendo Direct only hinted some details and some news are not certain to be soon
Zelda Video/Screenshot:
Pikmin Screenshots/VideoShin-Megami Tensei X Fire Emblem
Wii U Party
Source